Here's a simpler test case: $ sudo dpkg -i docker.io_19.03.12+dfsg1-4_amd64.deb (Reading database ... 257350 files and directories currently installed.) Preparing to unpack docker.io_19.03.12+dfsg1-4_amd64.deb ... Unpacking docker.io (19.03.12+dfsg1-4) over (19.03.12+dfsg1-3) ... Setting up docker.io (19.03.12+dfsg1-4) ... insserv: Script sysstat has overlapping Default-Start and Default-Stop runlevels (2 3 4 5) and (2 3 4 5). This should be fixed. Processing triggers for systemd (246.5-1) ... Processing triggers for man-db (2.9.3-2) ... $ sudo systemctl restart docker $ sudo docker run tianon/true && echo "ok" docker: Error response from daemon: unable to find user 0: invalid argument. ERRO[0000] error waiting for container: context canceled
versus $ sudo dpkg -i docker.io_19.03.12+dfsg1-3_amd64.deb dpkg: warning: downgrading docker.io from 19.03.12+dfsg1-4 to 19.03.12+dfsg1-3 (Reading database ... 257350 files and directories currently installed.) Preparing to unpack docker.io_19.03.12+dfsg1-3_amd64.deb ... Unpacking docker.io (19.03.12+dfsg1-3) over (19.03.12+dfsg1-4) ... Setting up docker.io (19.03.12+dfsg1-3) ... insserv: Script sysstat has overlapping Default-Start and Default-Stop runlevels (2 3 4 5) and (2 3 4 5). This should be fixed. Processing triggers for systemd (246.5-1) ... Processing triggers for man-db (2.9.3-2) ... $ sudo systemctl restart docker $ sudo docker run tianon/true && echo "ok" ok
